Coolant Line/Hose: Service and Repair

The inlet tube connects the water pump to the radiator and heater core. This tube is sealed by an O-ring and held in place by fasteners to the block.

REMOVAL

CAUTION: Do not use any sharp tools to remove hoses from inlet tube. This may cause the tube to leak.

1. Drain cooling system.
2. Remove upper radiator hose to access the hose connections at the inlet tube.

Figure 19:

3. Remove lower radiator hose and heater hose from the inlet tube.
4. Remove the two fasteners that hold the inlet tube to the block and one fastener that holds the intake manifold to inlet tube.

Figure 20:

5. Rotate tube while removing the tube from the engine block.

INSTALLATION
1. Inspect the O-ring for damage before installing the tube into the cylinder block. Replace O-ring as necessary.
2. Lubricate O-ring with coolant and install inlet tube into the cylinder block opening.
3. Install two fasteners to the engine block and the one fastener to the intake manifold. Tighten fasteners to 12 Nm (105 inch lbs.).
4. Connect lower radiator hose and heater hose to inlet tube.
5. Install upper radiator hose.
6. Fill cooling system.
7. Pressure system to 104 kPa (15 psi) to check for leaks.